HCUP databases bring together the data collection efforts of state data organizations, hospital associations, private data organizations, and the federal government to create a national information resource of patient-level health care data.

It includes the following databases:

The Nationwide Inpatient Sample (NIS) includes inpatient data from a national sample of more than 1,000 hospitals.

The Kids' Inpatient Database (KID) is a nationwide sample of pediatric inpatient discharges.

The State Inpatient Databases (SID) contain the universe of inpatient discharge abstracts from participating states.

The products advertised on this website contain the complete official Social Security Administration database extract as well as updates to the full file of persons reported to the SSA as being deceased.

The NCDR® is the American College of Cardiology National Cardiovascular Data Registry, a confidential quality measurement program for cardiac and vascular facilities. It now operates three national registries.